remoting/protocol/socket_util.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "remoting/protocol/socket_util.h"
   6
   7 #include "net/base/net_errors.h"
   8
   9 namespace remoting {
  10
  11 SocketErrorAction GetSocketErrorAction(int error) {
  12   switch (error) {
  13     // UDP is connectionless, so we may receive ICMP unreachable or reset errors
  14     // for previous sends to different addresses.
  15     case net::ERR_ADDRESS_UNREACHABLE:
  16     case net::ERR_CONNECTION_RESET:
  17       return SOCKET_ERROR_ACTION_RETRY;
  18
  19     // Target address is invalid. The socket is still usable for different
  20     // target addresses and the error can be ignored.
  21     case net::ERR_ADDRESS_INVALID:
  22       return SOCKET_ERROR_ACTION_IGNORE;
  23
  24     // May be returned when the packet is blocked by local firewall (see
  25     // https://code.google.com/p/webrtc/issues/detail?id=1207). The firewall may
  26     // still allow us to send to other addresses, so ignore the error for this
  27     // particular send.
  28     case net::ERR_ACCESS_DENIED:
  29       return SOCKET_ERROR_ACTION_IGNORE;
  30
  31     // Indicates that the buffer in the network adapter is full, so drop this
  32     // packet and assume the socket is still usable.
  33     case net::ERR_OUT_OF_MEMORY:
  34       return SOCKET_ERROR_ACTION_IGNORE;
  35
  36     default:
  37       return SOCKET_ERROR_ACTION_FAIL;
  38   }
  39 }
  40
  41
  42 }  // namespace remoting